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A044042 as a simple table

na(n)
12
23
35
411
517
619
723
829
931
1037
1143
1247
1353
1459
1561
1667
1771
1873
1979
2089
21101
22103
23107
24109
25113
26127
27131
28137
29149
30151
31157
32163
33173
34179
35191
36193
37197
38199
39211
40227
41229
42233
43239
44241
45257
46263
47269

[2,3,5,11,17,19,23,29,31,37,43,47,53,59,61,67,71,
 73,79,89,101,103,107,109,113,127,131,137,149,151,
 157,163,173,179,191,193,197,199,211,227,229,233,
 239,241,257,263,269]